﻿/*
 * [The "BSD licence"]
 * Copyright (c) 2011 Terence Parr
 * All rights reserved.
 *
 * Conversion to C#:
 * Copyright (c) 2011 Sam Harwell, Pixel Mine, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

namespace Antlr3.Grammars
{
    using Antlr3.Tool;
    using Antlr.Runtime;

    partial class LeftRecursiveRuleWalker
    {
        protected Grammar grammar;
        private string ruleName;
        private int outerAlt; // which outer alt of rule?
        public int numAlts;  // how many alts for this rule total?

        public override void ReportError(RecognitionException ex)
        {
            IToken token = null;
            if (ex is MismatchedTokenException)
            {
                token = ((MismatchedTokenException)ex).Token;
            }
            else if (ex is NoViableAltException)
            {
                token = ((NoViableAltException)ex).Token;
            }

            ErrorManager.SyntaxError(
                ErrorManager.MSG_SYNTAX_ERROR,
                grammar,
                token,
                "assign.types: " + ex.ToString(),
                ex);
        }

        public virtual void SetTokenPrec(GrammarAST t, int alt)
        {
        }

        public virtual void BinaryAlt(GrammarAST altTree, GrammarAST rewriteTree, int alt)
        {
        }

        public virtual void TernaryAlt(GrammarAST altTree, GrammarAST rewriteTree, int alt)
        {
        }

        public virtual void PrefixAlt(GrammarAST altTree, GrammarAST rewriteTree, int alt)
        {
        }

        public virtual void SuffixAlt(GrammarAST altTree, GrammarAST rewriteTree, int alt)
        {
        }

        public virtual void OtherAlt(GrammarAST altTree, GrammarAST rewriteTree, int alt)
        {
        }
    }
}
